Random dweets | Dwitter

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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warbino

remix of d/7882 by u/rjro

function u(t) {

let X,Y 
for(X=66;X--;)for(Y=38;Y--;x.fillRect(X*40,Y*25,30,100))x.fillStyle=R(r=(X/11&9^X*9&10)*T(X+Y*3*t/15)*25,r*!10)

May 1 2025 6:35 PM UTC

}// 120/140

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Xen

remix of d/11113 by u/ersagun

function u(t) {

with(x)for(Z=z=1e3;z--;fillRect(X=C(z+t)*t,X^t,4,3))translate(Z,Z),rotate(.7),scale(.999998,1),translate(-Z,-Z)

Nov 22 2018 10:46 PM UTC

}// 111/140

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rodrigo.siqueira

remix of d/29398 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=4e4;i--;b=b/1.6-C(a*3+b/7),a+=(i*t/b&1)*3-b*S(a*4)/8-a*a/4.1)x.fillRect(880+b*600,a*2800-675,.1,t<3)

Feb 2 2024 6:40 PM UTC

}// 137/140

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Branches of the black tree spiral #fractal

u/Aeholbrook

Kinda interesting that it looks like a brain!

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0x61

function u(t) {

a=960;b=540;x.font='320px x';s=t-t%1;v= !/^.?$|^(..+?)\1+$/.test('1'.repeat(s));
v&&x.clearRect(0,0,a*2,b*2);x.fillText(v?s:"",a,b)

Oct 31 2024 1:53 PM UTC

}// 131/140

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Prime every prime second

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sethmaxwl

function u(t) {

c.width|=100
for(i=0;i<1000;i++)
x.lineTo(1000+(1/(C(i)/S(i)))*500,600+500*C(i+t*t*t))
x.stroke()

Aug 3 2018 8:58 PM UTC

}// 97/140

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Qwitter

remix of d/21520 by u/erin

function u(t) {

w=c.width=1920;N=128;for(j=9216;j--;){X=(j%N)*15;Y=((j/N)^0)*15;r=Math.hypot(X-960,Y-540);x.fillRect(X,Y+50*C(r/N-9*t),f=.05*(X^Y)%32,f);}

Jan 31 2021 10:31 PM UTC

}// 138/140

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taupelink

remix of d/27124 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽㈲〻堽匨津㐪㈪洫洩ⱙ㵓⡭⩭ⴭ⤻砮晩汬剥捴⠹㘰⬴㠰⩘ⰷ㘵⵶⩺⩭⭩⩙Ⱪ⩃⡭⭩⩤⤯稬⵭⽤⨪⸵⤩瘽⸶⨪琬搽⡺㴱⬨ㄭ瘩⩴⨪㌩⨪稬砮晩汬却祬攽刨洭洪瘬椽津⠳⵶⩙⤪㘰ⱭⰨㄫ䌨洩⤯⠲⭤⼲⤩`.replace(/u([^D].)/g,'$1%')))

Mar 3 2023 2:59 AM UTC

}// 140/140

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d/27143

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KilledByAPixel

remix of d/23158 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍴󟽣󫍩󬌨󚜺󨼮󭽩󩍴󪌽󝌸󜌬󬽡󭭥󚍲󩝳󭍯󬭥󚍤󬭡󭽉󫝡󩽥󚍣󛌭󜼬󜌩󚜩󛍤󬭡󭽉󫝡󩽥󚍣󛍷󟜵󜌬󜌩󛍩󟝴󟼷󞬳󩜴󞽩󛜭󞽴󟽡󬭣󚌲󜜵󛌱󜼷󛌱󜜷󛍡󟜨󪜪󜜶󛼷󛜱󚜪󜜮󝜷󛍡󚜺󩭩󫍬󤭥󨽴󚍩󙝷󛍩󛽷󯌰󛌱󛌱󚜩󩭩󫍬󤽴󮝬󩜽󤬨󭬽󪜪󚬷󙜱󜼷󛍶󚬳󛍩󛼷󝼩`.replace(/u../g,'')))

Jun 23 2021 3:26 AM UTC

}// 140/140

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Autostereogram #3 Heptagram

u/erin

wheres the second one
u/KilledByAPixel

second one was a bit glitchy so i deleted it, here was the code for it with(x)for(t?clip():c.width=480,save(restore(drawImage(c,-6,0))),drawImage(c,w=40,0),i=t?7:2e4;i--;t?arc(215,133,113,a=(i*4/7+.5)*Math.PI,a):fillRect(i%w,i/w|0,1,1))fillStyle=R(v=i**7%258,v,v*2)

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pavel

function u(t) {

for(i=c.width|=z=[];i--;z[i]=[2e3/(6+C(t)/d),S(t++)/d,R(255*d)])d=S(i%1.5708+.79);for([s,X,x.fillStyle]of z.sort())x.fillRect(960+s*X,s,9,s)

Jun 12 2020 2:29 AM UTC

}// 140/140

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Just a #box

u/KilledByAPixel

Whats in the box? 😅
u/tomxor

Nice, painters algorithm in a sort. Also haven't seen direct property assignment inside array destructuring before (x.fillStyle)
u/tomxor

u/killedbyapixel I had a peak: z[i]=[ 9e2/(3+C(t)/d),

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FireFly

function u(t) {

t || x.translate(X=960, 540)
x.fillStyle = 'hsl('+t*80+',80%,50%)'
x.drawImage(c,9,9)
x.fillRect(t*70%X, 1, 32, 24)
x.rotate(4)

Mar 2 2017 1:53 PM UTC

}// 127/140

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Fast-paced kaleidoscope